Spa fitness goes to the high seas

The days of returning home from a cruise with 10 pounds of all-you-can-eat buffet around your waist are over. Major cruise lines have upped the fitness ante on ships with state-of-the-art gym facilities, wellness programs and spas that will help you stick to your workout routine and maybe even help you discover a new one.   Carnival's initiative, "Spa Carnival," features some of the largest and most elaborate health clubs at sea including the 21,000-square-foot Cloud 9 Spa on their new Carnival Splendor and the 23,750-square-foot spa on the Carnival Dream set to debut in September 2009.

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